A better Hessian variant: apache/dubbo-hessian-lite

Currently, this repository has stopped maintenance and updates. If you want to use hessian, a better choice is [https://github.com/apache/dubbo-hessian-lite](https://github.com/apache/dubbo-hessian-lite). Compared with the native Hessian and this repository, **apache/dubbo-hessian-lite** fixes many bugs and has a lot of performance improvements.